Archive for February, 2017

Flying "Cars" were silly - until now

Thursday, February 9th, 2017

The reason we don't yet have the flying cars imagined by early 20th century "futurists" is not because of mechanical infeasibility (though the energy cost may be substantial) so much as because of the problem of traffic control. Accident avoidance in crowded airspace is beyond the capacity of either expert pilots or centralized traffic controllers, and any […]

Two Challenges

Saturday, February 4th, 2017

Two very different recent events raise the same issue. How to confront the temptation to abandon one's principles when one's opponents do so without penalty. And in both cases I think The Atlantic has presented a view worth noting. One is the attack on Al Quaida in Yemen which ended with the deaths of several civilians […]